The engine house at Giew was conserved in 1994 having attracted a £25,000 derelict land grant the previous year. It was the first time Penwith District Council were involved in an engine house restoration.
The engine house was completely repointed and the chimney recapped with bricks. Originally, a grill was to have been placed over Franks shaft but much of the shaft had collapsed, so a concrete plug was installed instead. An earth bank was placed around the concrete remains of the compressor house floor, which effectively buried it!
Something of Giew which remains unpreserved is the 20th Century mill which lies down the hill on the other side of the road. All that is visible today from the path is a square calciner chimney, but beneath the undergrowth lies the mine's mill and tin yard. The mill is on six levels and some 33 metres wide, stretching down the hill over 60 metres. Each level has numerous concrete bases for mine machinery. The upper level contains the concrete bases for the 20 head of Californian Stamps, while the bottom level includes two large buddles and settling tanks. Beyond the mill are the remains of two Bruton calciners and flue which leads to the calciner chimney. Further downhill are the remains of the tin yard. This is set on four levels, has numerous settling tanks and 9 buddles of various sizes.
The 'conservation' of Giew, particularly the repointing of the walls, has received some criticism over the years, but at least some effort was made to preserve something of the mining heritage of the St. Ives district.